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[原创]安装CDH5 BETA的时候，无法启动DATANODE
故障现象： [root@AY1312280620257702e0Z ~]# jps 6822 NodeManager 6106 SecondaryNameNode 6561 ResourceManager 6005 NameNode 6955 JobHistoryServer 10964 Jps Without datanode [root@AY1312280620257702e0Z ~]# hadoop fs -mkdir input [root@AY1312280620257702e0Z ~]# hadoop fs -put /etc/hadoop/conf/*.xml input 14/01/28 22:50:45 WARN hdfs.DFSClient: DataStreamer Exception org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /user/root/input/core-site.xml._COPYING_ could o
